AMS Sectional Meeting Program by Special Session
Current as of Tuesday, April 12, 2005 15:21:29
2001 Fall Central Section Meeting
Columbus, OH, September 21-23, 2001
Meeting #969
Associate secretaries: Susan J Friedlander, AMS susan@math.northwestern.edu
Special Session on Coding Theory and Designs
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Friday September 21, 2001, 1:30 p.m.-4:50 p.m.
Special Session on Coding Theory and Designs, I
UH 0090, University Hall (UH)
Organizers:
Tom Dowling, Ohio State University tdowling@math.ohio-state.edu
Dijen Ray-Chaudhuri, dijen@math.ohio-state.edu
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1:30 p.m.
Designs in Shortened Additive GF(4) Codes.
Vera Pless*, University of Illinois-Chicago
Jon-Lark Kim, University of Illinois-Chicago
(969-94-162) -
2:00 p.m.
New lower bounds on the maximum number of mutually orthogonal Steiner triple systems.
Jeff Dinitz*, University of Vermont
Peter Dukes, Calif. Institute of Technology
(969-05-233) -
2:30 p.m.
On abelian relative difference sets which are extensions of diffrence sets with classical parameters.
Nobuo Nobu Nakagawa, Naka*, Department of Mathematics Faculty of Science and Technology
(969-05-66) -
3:00 p.m.
Higher Weights and Nonbinary Self-Dual Codes.
Steven T Dougherty, University of Scranton
Aaron Gulliver*, University of Victoria
(969-94-220) -
3:30 p.m.
A technique for constructing non-embeddable quasi-residual designs.
Yury J. Ionin*, Central Michigan University
Kirsten Mackenzie-Fleming, Central Michigan University
(969-05-246) -
4:00 p.m.
An Existence Theorem for Group Divisible 2-Designs of Large Order.
Hedvig Mohacsy*, The Ohio State University
Dijen K Ray-Chaudhuri, The Ohio State University
(969-05-250) -
4:30 p.m.
Extremal problems under dimension constraints.
Rudolf Ahlswede*, University of Bielefeld
Harout Aydinian, University of Bielefeld
Levon H Khachatrian, University of Bielefeld
(969-05-117)
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1:30 p.m.
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Saturday September 22, 2001, 8:30 a.m.-11:20 a.m.
Special Session on Coding Theory and Designs, II
UH 0090, University Hall (UH)
Organizers:
Tom Dowling, Ohio State University tdowling@math.ohio-state.edu
Dijen Ray-Chaudhuri, dijen@math.ohio-state.edu
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8:30 a.m.
Assmus-Mattson Theorem on Additive Codes over GF(4).
Jon-Lark Kim*, University of Illinois-Chicago
Vera Pless, University of Illinois-Chicago
(969-94-180) -
9:00 a.m.
Schur rings and circulant graphs I. From algebraic background to symmetry in circulants.
Andrew J Woldar*, Villanova University
(969-05-226) -
9:30 a.m.
Schur rings and circulant graphs: II. Automorphism groups of circulant graphs with a prime-power number of vertices.
Mikhail Klin*, Ben-Gurion University of the Negev
Reinhard Poeschel, Technological University of Dresden
(969-05-225) -
10:00 a.m.
New partial difference sets in abelian $p$-groups.
Xiang-dong Hou*, Wright State University
(969-05-65) -
10:30 a.m.
Some new results on perfect sequences and a proof of the Lin and Gong conjectures.
K T Arasu*, Wright State University
J F Dillon, National Security Agency
K J Player, Wright State University
(969-05-208) -
11:00 a.m.
The subconstituent algebra of a distance-regular graph.
Paul M Terwilliger*, University of Wisconsin
(969-05-68)
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8:30 a.m.
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Saturday September 22, 2001, 3:00 p.m.-4:50 p.m.
Special Session on Coding Theory and Designs, III
UH 0090, University Hall (UH)
Organizers:
Tom Dowling, Ohio State University tdowling@math.ohio-state.edu
Dijen Ray-Chaudhuri, dijen@math.ohio-state.edu
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3:00 p.m.
Quasi-symmetric Designs with Good Blocks and Intersection Number One.
V.C. Mavron, The University of Wales
T.P. McDonough, The University of Wales
M.S. Shrikhande*, Central Michigan University
(969-05-18) -
3:30 p.m.
Discussion -
4:00 p.m.
A Class of Polynomial Codes and a Family of Griesmer Codes.
Nuh Aydin*, The Ohio State University
Dijen K. Ray-Chaudhuri, The Ohio State University
(969-05-20) -
4:30 p.m.
Products and Quotients of Association Schemes.
Sejeong Bang, POSTECH
Mitsugu Hirasaka, National Taiwan University
Sung Y Song*, Iowa State University
(969-05-111)
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3:00 p.m.
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Sunday September 23, 2001, 9:30 a.m.-11:20 a.m.
Special Session on Coding Theory and Designs, IV
UH 0090, University Hall (UH)
Organizers:
Tom Dowling, Ohio State University tdowling@math.ohio-state.edu
Dijen Ray-Chaudhuri, dijen@math.ohio-state.edu
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9:30 a.m.
The current status of the lambda-design conjecture.
\'Akos Seress*, The Ohio State University, Columbus, Ohio
(969-05-104) -
10:30 a.m.
Maximal arcs in projective three-spaces and double-error-correcting cyclic codes.
Qing Xiang*, University of Delaware
Henk D. L. Hollmann, Philips Research Labs
(969-05-67) -
11:00 a.m.
Perfect Codes and Balanced Generalized Weighing Matrices.
Vladimir D Tonchev*, Michigan Technological University
(969-05-10)
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9:30 a.m.